7420525243 has 2 divisors, whose sum is σ = 7420525244. Its totient is φ = 7420525242.

The previous prime is 7420525219. The next prime is 7420525289. The reversal of 7420525243 is 3425250247.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7420525243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7420525199 and 7420525208.

It is not a weakly prime, because it can be changed into another prime (7420525043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3710262621 + 3710262622.

It is an arithmetic number, because the mean of its divisors is an integer number (3710262622).

Almost surely, 2^7420525243 is an apocalyptic number.

7420525243 is a deficient number, since it is larger than the sum of its proper divisors (1).

7420525243 is an equidigital number, since it uses as much as digits as its factorization.

7420525243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67200, while the sum is 34.

The square root of 7420525243 is about 86142.4706111916. The cubic root of 7420525243 is about 1950.4951837316.

The spelling of 7420525243 in words is "seven billion, four hundred twenty million, five hundred twenty-five thousand, two hundred forty-three".